%0 Journal Article
%A Zdeněk Dvořák
%A Daniel Král'
%T On planar mixed hypergraphs
%J The electronic journal of combinatorics
%D 2001
%V 8
%N 1
%U http://geodesic.mathdoc.fr/articles/10.37236/1579/
%R 10.37236/1579
%F 10_37236_1579